﻿using System.ComponentModel;

namespace TskComment.ViewModel
{
    public abstract class ViewModelBase : INotifyPropertyChanged
    {
        //属性改变事件
        public event PropertyChangedEventHandler PropertyChanged;
        
        //当属性改变的时候，调用该方法来发起一个消息，通知View中绑定了propertyName的元素做出调整
        public void RaisePropertyChanged(string propertyName)
        {
            PropertyChangedEventHandler handler = PropertyChanged;

            if (handler != null)
            {
                handler(this, new PropertyChangedEventArgs(propertyName));
            }
        }
    }
}
